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Creating a weblog in 15 minutes with Rails 2 In 15 minutes, we go from scratch to complete weblog engine with comments, ajax, an ATOM feed, an XML and JSON API, tests, an administrative interface, and much more! We strongly advise that you sit down before starting this whirlwind tour. Your head may well be spinning at the end.

myExperiment is a collaborative environment where scientists can safely publish their workflows, share them with groups and find the workflows of others. Workflows, other digital objects and collections - called Packs - can now be swapped, sorted and searched like photos and videos on the Web. And unlike Facebook or MySpace, myExperiment fully understands the needs of the researcher. myExperiment makes it really easy for the next generation of scientists to contribute to a pool of scientific workflows, build communities and form relationships. It enables scientists to share, reuse and repurpose workflows and reduce time-to-experiment, share expertise and avoid reinvention.

BrowseRDF.com allows you to navigate arbitrary RDF datasets using an exploration technique called "faceted browsing". This technique lets you easily navigate through unfamiliar datasets.